Google Play Verified
Signed, scanned by Play Protect, and distributed only through Google Play — no third-party APKs.
OFFICIAL & TRUSTED
Built for everyday trust
Privacy-First
Notes, scans, recordings, and expense logs stay on your device. No invasive tracking.
Lightweight & Fast
Quick startups, gentle battery use, and compact installs that keep Android running smoothly.
GUIDES & TIPS
Browse all
Practical Android guides
STORAGE
Free up storage without losing files
Audit space-eaters, clear caches safely, and archive legacy media.
Read guide PRODUCTIVITYGo paperless with document scanning
Digitize paperwork, name files clearly, and keep reliable backups.
Read guide FINANCETrack daily expenses in 60 seconds
Start with three simple buckets and build lasting money awareness.
Read guide
FAQ
Common questions
Are U77U apps safe to install?
Yes. All U77U applications are distributed exclusively through the official Google Play Store and are verified by Google Play Protect. We do not provide or endorse third-party APK downloads outside Google Play.
Are the applications free to use?
Most of our utilities, tools, and lifestyle apps are completely free to install and use for everyday core tasks. For specific app details and features, review the official store listing on Google Play before installing.
Do these apps work offline?
Many of our utilities — such as Multi Calculator, Document Scanner, Filezy, Audio Recorder, and Offline Games — are built local-first and operate fully without an active internet connection.
Which Android versions are supported?
Our applications are built targeting modern Android operating system versions (including Android 13, 14, and 15) while maintaining backward compatibility with most standard devices running Android 7.0 and up.
How do I report bugs or suggest new features?
We welcome your feedback! You can reach our developer team directly via email at flychatink@gmail.com or use the support contact details provided on each app's Google Play store page.